Naturally light right-handed neutrinos in a 3–3–1 model

In this work we show that light right-handed neutrinos, with mass in the sub-eV scale, is a natural outcome in a 3–3–1 model. By considering effective dimension five operators, the model predicts three light right-handed neutrinos, weakly mixed with the left-handed ones. We show also that the model...

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Bibliographic Details
Published in:Physics letters. B 2005-11, Vol.628 (1-2), p.85-92
Main Authors: Dias, Alex G., de S. Pires, C.A., Rodrigues da Silva, P.S.
Format: Article
Language:English
Subjects:
3–3–1 model
Exact sciences and technology
Neutrino mass and mix
Nuclear physics
Physics
Sterile neutrinos
The physics of elementary particles and fields
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Summary:In this work we show that light right-handed neutrinos, with mass in the sub-eV scale, is a natural outcome in a 3–3–1 model. By considering effective dimension five operators, the model predicts three light right-handed neutrinos, weakly mixed with the left-handed ones. We show also that the model is able to explain the LSND experiment and still be in agreement with solar and atmospheric data for neutrino oscillation.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2005.09.028